1 files changed, 27 insertions, 0 deletions
diff --git a/2534/CH7/EX7.8/Ex7_8.sce b/2534/CH7/EX7.8/Ex7_8.sce
new file mode 100755
index 000000000..9f431e8ed
--- /dev/null
+++ b/2534/CH7/EX7.8/Ex7_8.sce
@@ -0,0 +1,27 @@
+//Ex7_8
+clc
+VCC = 9
+RC = 3*10^3
+RB = 500*10^3
+beta = 100
+VBE = 0.7
+disp("VCC = "+string(VCC)+"V")//collector supply voltage
+disp("RC = "+string(RC)+"ohm")//collector resistance
+disp("RB = "+string(RB)+"ohm")//base resistance
+disp("beta = "+string(beta))//current gain
+disp("VBE = "+string(VBE)+"V")//emitter-base voltage
+//for a Fixed Bais Circuit;
+IB = (VCC - VBE)/RB
+disp("IB = (VCC - VBE)/RB  = "+string(IB)+"A")//base current
+IC = beta*IB
+disp("IC = beta*IB = "+string(IC)+"A")//collector current
+VCE = VCC - IC*RC
+disp("VCE = VCC - IC*RC = "+string(VCE)+"V")//collector-emitter voltage
+disp("operating point is("+string(VCE)+"V, "+string(IC)+"A)")
+S = 1+beta
+disp("S = 1 + beta = "+string(S))//stability factor
+
+
+// NOTE : in the textbook author has taken beta = 100 for calculation 
+//        but has mention beta = 50 in Question
+//        I am working with beta = 100.